#include "head.h"
void tx(char *a)
{
    FILE *fp;
    char ch;
    printf("16进制输出为：");
    fp=fopen(a,"r");
    ch=fgetc(fp);
    while(ch!=EOF)
    {
        if(ch=='\n') 
            printf("\n");
        else
            printf(" %x  ",ch);
        ch=fgetc(fp);
    }
    fclose(fp);
}
